While Nicodemus stumbles, dwelling upon our birth here, Christ reveals more clearly the manner of our spiritual birth; Jesus answered, Verily, verily, I say unto you, Except a man be born of water and of the Spirit, he cannot enter into the kingdom of God.
Reproduced in full. Translation: Oxford 1841 (Newman), public domain (Public domain).
Also cites: Hom. xxiv. 3